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<p><code>#include &lt;<a class="el" href="libwebsockets_8h_source.html">libwebsockets.h</a>&gt;</code></p>
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Data Fields</h2></td></tr>
<tr class="memitem:a424a5ce268d6903e42243be94487ab85"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structlws__context__creation__info.html#a424a5ce268d6903e42243be94487ab85">port</a></td></tr>
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<tr class="memitem:a6b059b7ee248cba72a3a4fd6141b0b34"><td class="memItemLeft" align="right" valign="top">const struct <a class="el" href="structlws__protocol__vhost__options.html">lws_protocol_vhost_options</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structlws__context__creation__info.html#a6b059b7ee248cba72a3a4fd6141b0b34">reject_service_keywords</a></td></tr>
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<tr class="memitem:afce3b59950eca3203faa07381bbed5d7"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structlws__context__creation__info.html#afce3b59950eca3203faa07381bbed5d7">_unused</a> [8]</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>struct <a class="el" href="structlws__context__creation__info.html">lws_context_creation_info</a> - parameters to create context and /or vhost with</p>
<p>This is also used to create vhosts.... if LWS_SERVER_OPTION_EXPLICIT_VHOSTS is not given, then for backwards compatibility one vhost is created at context-creation time using the info from this struct.</p>
<p>If LWS_SERVER_OPTION_EXPLICIT_VHOSTS is given, then no vhosts are created at the same time as the context, they are expected to be created afterwards. </p>
</div><h2 class="groupheader">Field Documentation</h2>
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<p>dummy </p>

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<p>CONTEXT: how many contexts to create in an array, 0 = 1 </p>

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<p>VHOST: if NULL, defaults to initializing server with "prime256v1" </p>

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<p>VHOST: NULL or array of <a class="el" href="structlws__extension.html">lws_extension</a> structs listing the extensions this context supports. </p>

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<p>CONTEXT: nonzero means restrict each service thread to this many fds, 0 means the default which is divide the process fd limit by the number of threads. </p>

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<p>CONTEXT: group id to change to after setting listen socket, or -1. </p>

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<p>VHOST: pointer to optional linked list of per-vhost canned headers that are added to server responses </p>

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<p>VHOST: If non-NULL, attempts to proxy via the given address. If proxy auth is required, use format "username:password\@server:port" </p>

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<p>VHOST: If http_proxy_address was non-NULL, uses this port </p>

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<p>VHOST: NULL to bind the listen socket to all interfaces, or the interface name, eg, "eth2" If options specifies LWS_SERVER_OPTION_UNIX_SOCK, this member is the pathname of a UNIX domain socket. you can use the UNIX domain sockets in abstract namespace, by prepending an at symbol to the socket name. </p>

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<p>CONTEXT: if ka_time was nonzero, how long to wait before each ka_probes attempt </p>

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<p>CONTEXT: if ka_time was nonzero, after the timeout expires how many times to try to get a response from the peer before giving up and killing the connection </p>

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<p>CONTEXT: 0 for no TCP keepalive, otherwise apply this keepalive timeout to all libwebsocket sockets, client or server </p>

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<p>VHOST: (default = 0 = 60s) seconds to allow remote client to hold on to an idle HTTP/1.1 connection </p>

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<p>VHOST: filepath to append logs to... this is opened before any dropping of initial privileges </p>

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<p>CONTEXT: The max amount of header payload that can be handled in an http request (unrecognized header payload is dropped) </p>

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<p>CONTEXT: if max_http_header_data is 0 and this is nonzero, this will be used in place of the default. It's like this for compatibility with the original short version, this is unsigned int length. </p>

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<p>CONTEXT: The max number of connections with http headers that can be processed simultaneously (the corresponding memory is allocated for the lifetime of the context). If the pool is busy new incoming connections must wait for accept until one becomes free. </p>

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<p>VHOST: optional linked list of mounts for this vhost </p>

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<p>VHOST + CONTEXT: 0, or LWS_SERVER_OPTION_... bitfields </p>

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<p>CONTEXT: NULL, or NULL-terminated array of directories to scan for lws protocol plugins at context creation time </p>

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<p>VHOST: Port to listen on... you can use CONTEXT_PORT_NO_LISTEN to suppress listening on any port, that's what you want if you are not running a websocket server at all but just using it as a client </p>

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<p>VHOST: Array of structures listing supported protocols and a protocol- specific callback for each one. The list is ended with an entry that has a NULL callback pointer. </p>

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<p>CONTEXT: If non-null, swap out libwebsockets ssl implementation for the one provided by provided_ssl_ctx. Libwebsockets no longer is responsible for freeing the context if this option is selected. </p>

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<p>dummy if ssl disabled </p>

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<p>CONTEXT: 0 = default of 4096. This buffer is used by various service related features including file serving, it defines the max chunk of file that can be sent at once. At the risk of lws having to buffer failed large sends, it can be increased to, eg, 128KiB to improve throughput. </p>

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<p>VHOST: pointer to optional linked list of per-vhost options made accessible to protocols </p>

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<p>CONTEXT: Optional list of keywords and rejection codes + text.</p>
<p>The keywords are checked for existing in the user agent string.</p>
<p>Eg, "badrobot" "404 Not Found" </p>

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<p>CONTEXT: string used in HTTP headers to identify server software, if NULL, "libwebsockets". </p>

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<p>VHOST: CA certificate filepath or NULL </p>

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<p>VHOST: If libwebsockets was compiled to use ssl, and you want to listen using SSL, set to the filepath to fetch the server cert from, otherwise NULL for unencrypted </p>

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<p>VHOST: List of valid ciphers to use (eg, "RC4-MD5:RC4-SHA:AES128-SHA:AES256-SHA:HIGH:!DSS:!aNULL" or you can leave it as NULL to get "DEFAULT" </p>

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<p>VHOST: Any bits set here will be cleared as SSL options </p>

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<p>VHOST: Any bits set here will be set as SSL options </p>

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<p>VHOST: filepath to private key if wanting SSL mode; if this is set to NULL but sll_cert_filepath is set, the OPENSSL_CONTEXT_REQUIRES_PRIVATE_KEY callback is called to allow setting of the private key directly via openSSL library calls </p>

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<p>VHOST: NULL or the passphrase needed for the private key </p>

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<p>VHOST: various processes involving network roundtrips in the library are protected from hanging forever by timeouts. If nonzero, this member lets you set the timeout used in seconds. Otherwise a default timeout is used. </p>

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<p>CONTEXT: NULL or struct <a class="el" href="structlws__token__limits.html">lws_token_limits</a> pointer which is initialized with a token length limit for each possible WSI_TOKEN_ </p>

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<p>CONTEXT: user id to change to after setting listen socket, or -1. </p>

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<p>CONTEXT: optional user pointer that can be recovered via the context pointer using lws_context_user </p>

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<p>VHOST: name of vhost, must match external DNS name used to access the site, like "warmcat.com" as it's used to match Host: header and / or SNI name for SSL. </p>

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<p>CONTEXT: 0 for none, else interval in seconds between sending PINGs on idle websocket connections. When the PING is sent, the PONG must come within the normal timeout_secs timeout period or the connection will be dropped. Any RX or TX traffic on the connection restarts the interval timer, so a connection which always sends or receives something at intervals less than the interval given here will never send PINGs / expect PONGs. Conversely as soon as the ws connection is established, an idle connection will do the PING / PONG roundtrip as soon as ws_ping_pong_interval seconds has passed without traffic </p>

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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>lib/<a class="el" href="libwebsockets_8h_source.html">libwebsockets.h</a></li>
</ul>
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